/* roulang page: index */
:root{
  --ink:#16202f;
  --ink-2:#4a586d;
  --ink-3:#8794a7;
  --brand:#1f5fd0;
  --brand-d:#164a9f;
  --brand-l:#eaf1fd;
  --accent:#f2a33c;
  --bg:#ffffff;
  --bg-soft:#f5f8fd;
  --line:#e2e9f3;
  --r-s:8px;
  --r-m:14px;
  --r-l:22px;
  --sh-s:0 2px 8px rgba(22,42,80,.06);
  --sh-m:0 10px 28px rgba(22,42,80,.10);
  --gap:clamp(16px,2.4vw,28px);
  --pad:clamp(18px,3vw,44px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.7;color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input{font:inherit}
:focus-visible{outline:3px solid rgba(31,95,208,.45);outline-offset:3px}

.cpl-wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 var(--pad)}

/* ---------- header ---------- */
.cpl-top{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.cpl-top-in{display:flex;align-items:center;gap:18px;min-height:66px}
.cpl-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.4px;white-space:nowrap;min-height:44px}
.cpl-logo-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(140deg,var(--brand),#4a8bf5);color:#fff;display:grid;place-items:center;font-size:14px;font-weight:800;box-shadow:0 6px 14px rgba(31,95,208,.28);flex:0 0 auto}
.cpl-nav{margin-left:auto;display:flex;align-items:center;gap:2px;flex-wrap:wrap}
.cpl-nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 13px;border-radius:var(--r-s);font-size:14.5px;color:var(--ink-2);font-weight:600;transition:background .2s,color .2s}
.cpl-nav a:hover{background:var(--brand-l);color:var(--brand-d)}
.cpl-nav a.cpl-on{color:var(--brand);background:var(--brand-l)}

/* ---------- hero ---------- */
.cpl-hero{position:relative;background:radial-gradient(1200px 480px at 12% -10%,#e8f0ff 0%,transparent 62%),var(--bg-soft);border-bottom:1px solid var(--line);overflow:hidden}
.cpl-hero-in{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(24px,4vw,56px);align-items:center;padding:clamp(30px,5vw,68px) 0}
.cpl-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-d);background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 14px;box-shadow:var(--sh-s)}
.cpl-kicker i{width:7px;height:7px;border-radius:50%;background:var(--accent);display:block}
.cpl-hero h1{font-size:clamp(28px,4.4vw,46px);line-height:1.22;margin:18px 0 14px;letter-spacing:-.5px;font-weight:800}
.cpl-hero h1 em{font-style:normal;color:var(--brand);position:relative}
.cpl-hero-lead{color:var(--ink-2);font-size:15.5px;max-width:38em}
.cpl-hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.cpl-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;border-radius:999px;font-weight:700;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .18s,box-shadow .18s,background .18s}
.cpl-btn-p{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(31,95,208,.28)}
.cpl-btn-p:hover{background:var(--brand-d);transform:translateY(-2px)}
.cpl-btn-g{background:#fff;color:var(--brand-d);border-color:var(--line);box-shadow:var(--sh-s)}
.cpl-btn-g:hover{border-color:#c5d8f6;transform:translateY(-2px)}
.cpl-hero-facts{display:flex;gap:26px;margin-top:28px;flex-wrap:wrap}
.cpl-hero-facts div{font-size:13px;color:var(--ink-3);font-weight:600}
.cpl-hero-facts b{display:block;font-size:19px;color:var(--ink);font-weight:800;letter-spacing:-.3px}
.cpl-hero-shot{position:relative;border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-m);border:1px solid #fff}
.cpl-hero-shot img{width:100%;height:clamp(240px,32vw,380px);object-fit:cover}
.cpl-hero-shot figcaption{position:absolute;inset:auto 0 0 0;padding:32px 20px 16px;color:#fff;font-size:14px;font-weight:600;background:linear-gradient(transparent,rgba(8,18,34,.78))}

/* ---------- section shell ---------- */
.cpl-sec{padding:clamp(34px,5vw,62px) 0}
.cpl-sec.alt{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cpl-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-bottom:26px}
.cpl-head h2{font-size:clamp(21px,2.7vw,29px);letter-spacing:-.3px;font-weight:800}
.cpl-head h2 span{color:var(--brand)}
.cpl-head p{color:var(--ink-2);font-size:14.5px;margin-top:8px;max-width:60em}
.cpl-tagline{font-size:13px;font-weight:700;color:var(--brand-d);background:var(--brand-l);border-radius:999px;padding:6px 14px;white-space:nowrap}

/* ---------- commission highlight ---------- */
.cpl-duo{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.85fr);gap:var(--gap);align-items:stretch}
.cpl-price{display:grid;grid-template-columns:repeat(auto-fit,minmax(0,1fr));gap:var(--gap)}
.cpl-tier{background:#fff;border:1px solid var(--line);border-radius:var(--r-l);padding:26px 22px;box-shadow:var(--sh-s);display:flex;flex-direction:column;gap:12px;transition:transform .2s,box-shadow .2s}
.cpl-tier:hover{transform:translateY(-3px);box-shadow:var(--sh-m)}
.cpl-tier.pick{border:2px solid var(--brand);background:linear-gradient(180deg,#f3f8ff,#fff 55%);box-shadow:0 14px 34px rgba(31,95,208,.16);position:relative}
.cpl-tier-pill{position:absolute;top:-13px;left:22px;background:var(--brand);color:#fff;font-size:12px;font-weight:800;padding:5px 13px;border-radius:999px;letter-spacing:.3px}
.cpl-tier h3{font-size:17px;font-weight:800}
.cpl-tier .rate{font-size:30px;font-weight:800;color:var(--brand);letter-spacing:-1px;line-height:1.15}
.cpl-tier .rate small{font-size:13px;color:var(--ink-3);font-weight:600;letter-spacing:0;margin-left:4px}
.cpl-tier ul{display:grid;gap:8px;font-size:14px;color:var(--ink-2);margin-top:2px}
.cpl-tier ul li{padding-left:20px;position:relative}
.cpl-tier ul li::before{content:"";position:absolute;left:2px;top:.62em;width:9px;height:9px;border-radius:3px;background:var(--brand-l);border:1px solid #bcd3f6}
.cpl-tier .cpl-btn{margin-top:auto;width:100%}

/* ---------- material cards ---------- */
.cpl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
.cpl-g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.cpl-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;box-shadow:var(--sh-s);display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s,border-color .2s}
.cpl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-m);border-color:#cadcf7}
.cpl-thumb{position:relative;aspect-ratio:16/10;background:var(--brand-l);overflow:hidden}
.cpl-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.cpl-card:hover .cpl-thumb img{transform:scale(1.05)}
.cpl-badge{position:absolute;top:10px;left:10px;background:rgba(12,26,48,.82);color:#fff;font-size:12px;font-weight:700;padding:3px 9px;border-radius:999px;letter-spacing:.3px}
.cpl-score{position:absolute;top:10px;right:10px;background:var(--accent);color:#241503;font-size:12.5px;font-weight:800;padding:3px 9px;border-radius:999px}
.cpl-card-b{padding:14px 16px 18px;display:flex;flex-direction:column;gap:7px;flex:1}
.cpl-card-b h3{font-size:15.5px;font-weight:800;line-height:1.45}
.cpl-card-b p{font-size:13.5px;color:var(--ink-2);line-height:1.65}
.cpl-meta{display:flex;gap:10px;flex-wrap:wrap;font-size:12.5px;color:var(--ink-3);margin-top:auto;padding-top:6px}
.cpl-chip{background:var(--brand-l);color:var(--brand-d);font-weight:700;border-radius:999px;padding:2px 10px;font-size:12px}

/* ---------- settle list ---------- */
.cpl-steps{display:grid;gap:14px;counter-reset:st}
.cpl-step{display:grid;grid-template-columns:44px minmax(0,1fr);gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-m);padding:18px 20px;box-shadow:var(--sh-s)}
.cpl-step::before{counter-increment:st;content:counter(st);width:40px;height:40px;border-radius:12px;background:var(--brand-l);color:var(--brand-d);display:grid;place-items:center;font-weight:800;font-size:15px}
.cpl-step h3{font-size:15.5px;font-weight:800;margin-bottom:4px}
.cpl-step p{font-size:13.8px;color:var(--ink-2)}

/* ---------- case / news list ---------- */
.cpl-list{display:grid;gap:14px}
.cpl-item{display:grid;grid-template-columns:130px minmax(0,1fr);gap:16px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r-m);padding:12px;box-shadow:var(--sh-s);transition:transform .18s,box-shadow .18s}
.cpl-item:hover{transform:translateX(3px);box-shadow:var(--sh-m)}
.cpl-item .cpl-thumb{aspect-ratio:4/3;border-radius:10px}
.cpl-item h3{font-size:15px;font-weight:800;margin-bottom:5px}
.cpl-item p{font-size:13.5px;color:var(--ink-2)}

/* ---------- join band ---------- */
.cpl-join{background:linear-gradient(135deg,#12386f,#1f5fd0 58%,#3f86ea);color:#fff;border-radius:var(--r-l);padding:clamp(26px,4vw,46px);display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:28px;align-items:center;box-shadow:0 20px 44px rgba(23,65,140,.24)}
.cpl-join h2{font-size:clamp(21px,2.8vw,30px);font-weight:800;letter-spacing:-.3px}
.cpl-join p{color:#d7e5fb;font-size:14.5px;margin-top:10px}
.cpl-join .cpl-btn-p{background:#fff;color:var(--brand-d);box-shadow:none}
.cpl-join .cpl-btn-p:hover{background:#eef4ff}
.cpl-join .cpl-btn-g{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.cpl-join .cpl-btn-g:hover{border-color:#fff;background:rgba(255,255,255,.1)}

/* ---------- faq ---------- */
.cpl-faq{display:grid;gap:12px}
.cpl-faq details{background:#fff;border:1px solid var(--line);border-radius:var(--r-m);padding:16px 18px;box-shadow:var(--sh-s)}
.cpl-faq summary{cursor:pointer;font-weight:800;font-size:15px;list-style:none;display:flex;justify-content:space-between;gap:14px;align-items:center;min-height:28px}
.cpl-faq summary::-webkit-details-marker{display:none}
.cpl-faq summary::after{content:"+";color:var(--brand);font-size:20px;font-weight:700;flex:0 0 auto}
.cpl-faq details[open] summary::after{content:"–"}
.cpl-faq p{font-size:13.8px;color:var(--ink-2);margin-top:10px}

/* ---------- footer ---------- */
.cpl-foot{background:#0f1b2d;color:#c2cfe2;padding:clamp(34px,5vw,56px) 0 0;margin-top:8px}
.cpl-foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:var(--gap)}
.cpl-foot h4{color:#fff;font-size:14.5px;font-weight:800;margin-bottom:14px}
.cpl-foot p{font-size:13.5px;color:#9dafc8;line-height:1.75}
.cpl-foot li{margin-bottom:9px;font-size:13.5px}
.cpl-foot li a{color:#9dafc8;min-height:32px;display:inline-flex;align-items:center;transition:color .18s}
.cpl-foot li a:hover{color:#fff}
.cpl-foot-logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16px;margin-bottom:14px}
.cpl-copy{border-top:1px solid rgba(255,255,255,.1);margin-top:34px;padding:18px 0;font-size:13px;color:#8698b3;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* ---------- responsive ---------- */
@media(max-width:1024px){
  .cpl-hero-in{grid-template-columns:1fr;gap:26px}
  .cpl-hero-shot img{height:clamp(220px,40vw,320px)}
  .cpl-grid,.cpl-g4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cpl-duo{grid-template-columns:1fr}
  .cpl-join{grid-template-columns:1fr}
  .cpl-foot-grid{grid-template-columns:1fr 1fr}
  .cpl-nav a{padding:0 10px;font-size:14px}
}
@media(max-width:768px){
  .cpl-top-in{min-height:60px;gap:10px}
  .cpl-nav{width:100%;margin-left:0;overflow-x:auto;flex-wrap:nowrap;padding-bottom:6px;scrollbar-width:none}
  .cpl-nav::-webkit-scrollbar{display:none}
  .cpl-top-in{flex-wrap:wrap;padding-top:8px;padding-bottom:6px}
  .cpl-item{grid-template-columns:104px minmax(0,1fr);gap:12px}
  .cpl-hero-facts{gap:18px}
}
@media(max-width:520px){
  body{font-size:15px}
  .cpl-grid,.cpl-g4{grid-template-columns:1fr}
  .cpl-hero-btns .cpl-btn{width:100%}
  .cpl-foot-grid{grid-template-columns:1fr}
  .cpl-item{grid-template-columns:1fr}
  .cpl-item .cpl-thumb{aspect-ratio:16/9}
  .cpl-head{margin-bottom:20px}
  .cpl-step{grid-template-columns:36px minmax(0,1fr);padding:16px}
  .cpl-step::before{width:34px;height:34px;font-size:14px}
}